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PVI 23TL, 28TL Installation and Operation Manual (Rev J)
Table 7.1 - Communication Connections and Configuration Switches
Item
1
2
3
4
5
6
7
8
DOCR-070365-J
Picture
P205 - Dry Contact Communication Port
(3 Pin Connector)
Please see section 7.3 Dry contact
communication for more details.
N.O. N.C. COM
P207 - USB port
Reserved for factory use
P204 - Not Used
P203 - Not Used
P208 - Modbus (RS-485) connector
1 - NC
2 - NC
3 - RS-485+
4 - RS-485-
5 - NC
S403 - Not Used
S402 - Selector switch for the 120Ω
Modbus RS-485 termination resistor
1 - Disable the RS-485 bus termination
2 - Enable the RS-485 bus termination
S401 - Selector switch for setting the
PV connection mode
1 - Independent mode
2 - Parallel mode
See section 5.2 for more details
Configuration description
Page 33 of 66
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